{"product_id":"watco-liquid-roof-membrane","title":"Watco Liquid Roof Membrane","description":"\u003cp\u003eWatco Liquid Roof Membrane is a water based acrylic coating system for waterproofing suitable flat and pitched roofs. Applied cold with a roller, it forms a flexible, seamless membrane around the roof surface, pipework and other details where water ingress can occur.\u003c\/p\u003e\n\u003cp\u003eThe fibre-loaded formulation moves with the roof rather than forming a rigid film. It is designed for compatible concrete, asphalt and similar roofing membranes, with excellent resistance to UV and weathering. Two correctly applied coats, with reinforcement in the first, create the specified protective system. The Mid Grey semi-gloss finish suits roof refurbishment where a continuous coating is needed without heat application equipment.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eSingle pack, cold-applied acrylic roof membrane.\u003c\/li\u003e\n\u003cli\u003eFlexible and breathable, with UV resistance.\u003c\/li\u003e\n\u003cli\u003eReinforcement and two coats form the specified system.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eSurface Preparation\u003c\/h3\u003e\u003cp\u003eCheck the whole roof for weak, loose, flaking or defective areas. Repair cracks, holes and blisters before coating. Remove debris and contamination; treat moss and fungal growth with a suitable cleaner. The roof should be clean and dry, with only slight residual damp acceptable. Do not coat wet or icy surfaces. Confirm compatibility with the existing roofing material.\u003c\/p\u003e\u003ch3\u003eTechnical Data\u003c\/h3\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003ePack sizes \/ colour\u003c\/th\u003e\n\u003ctd\u003e5L and 15L \/ Mid Grey\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eComposition\u003c\/th\u003e\n\u003ctd\u003eSingle pack, water based, fibre-loaded acrylic\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFinish\u003c\/th\u003e\n\u003ctd\u003eSmooth, semi-gloss\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCoats\u003c\/th\u003e\n\u003ctd\u003eAt least 2 at the specified rate\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMinimum conditions\u003c\/th\u003e\n\u003ctd\u003eAir 15°C; surface 10°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eShelf life\u003c\/th\u003e\n\u003ctd\u003e12 months unopened\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003ch3\u003eCoverage\u003c\/h3\u003e\u003cp\u003eApproximately 5–7m² per 5L or 14–21m² per 15L per coat, depending on the roof. Allow material for both coats and all reinforcement details. A conservative planning rate of 0.93m²\/L per coat accommodates the lower stated coverage of the larger pack. Do not spread more thinly to extend the area.\u003c\/p\u003e\u003ch3\u003eDirections for Use\u003c\/h3\u003e\u003col\u003e\n\u003cli\u003eStir thoroughly and do not thin. Brush generous material around joints and penetrations before the main coating.\u003c\/li\u003e\n\u003cli\u003eApply with a suitable pile roller and brush at edges. Fully reinforce the first coat with the specified reinforcing scrim.\u003c\/li\u003e\n\u003cli\u003eFor conservative planning, follow the linked technical sheet: recoat after at least twenty-four hours at 20°C and within seven days. At 10°C it specifies forty-eight hours to three days.\u003c\/li\u003e\n\u003cli\u003eIf the permitted interval is exceeded, follow the manufacturer's preparation advice before continuing. Ensure the first coat remains clean and sound.\u003c\/li\u003e\n\u003c\/ol\u003e\u003ch3\u003eLimitations\u003c\/h3\u003e\u003cp\u003eDo not apply if rain is forecast within forty-eight hours, humidity exceeds 85%, or conditions are cold, static or saturated. Do not apply to wet or icy substrates. The system is not recommended for waterproofing gutters. Pay particular attention to lap joints and fixings on sheeted roofs. Use the Anti Slip version where the project requires textured access routes. Protect stored material from freezing and read the GB safety sheet.\u003c\/p\u003e\u003ch3\u003eProduct FAQs\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eHow many coats are required?\u003c\/strong\u003e\u003cbr\u003eAt least two coats at the stated coverage, with the first coat fully reinforced using the specified scrim.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCan it be used before rain?\u003c\/strong\u003e\u003cbr\u003eDo not apply when rain is forecast within forty-eight hours. The roof must also meet the temperature and humidity limits.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhen can I apply the second coat?\u003c\/strong\u003e\u003cbr\u003eThe linked technical sheet gives a minimum of twenty-four hours at 20°C, within seven days. At 10°C it gives forty-eight hours to three days.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCan it waterproof gutters?\u003c\/strong\u003e\u003cbr\u003eThe current technical guidance does not recommend Liquid Roof Membrane for gutters. Select a system specified for that application.\u003c\/p\u003e\u003ch3\u003eData Sheets\u003c\/h3\u003e\u003cp\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0933\/9017\/6596\/files\/watco-roof-batch-liquid_roof_membrane.pdf?v=1794401452\" target=\"_blank\" rel=\"noopener\"\u003eTechnical Data Sheet\u003c\/a\u003e\u003c\/p\u003e\u003cp\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0933\/9017\/6596\/files\/watco-roof-batch-Liquid_Roof_Membrane_WB__GB_EN__2_00__01_12_2024.pdf?v=1794401452\" target=\"_blank\" rel=\"noopener\"\u003eSafety Data Sheet (GB)\u003c\/a\u003e\u003c\/p\u003e","brand":"Watco","offers":[{"title":"5L","offer_id":58282015686996,"sku":"LRM5","price":107.0,"currency_code":"GBP","in_stock":true},{"title":"15L","offer_id":58282015719764,"sku":"LRM12","price":305.2,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0933\/9017\/6596\/files\/watco-roof-batch-11-liquid_roof_membrane.jpg?v=1794401482","url":"https:\/\/andrewscoatings.co.uk\/products\/watco-liquid-roof-membrane","provider":"Andrews Coatings Ltd","version":"1.0","type":"link"}